<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>不一样的hr</title>
</head>
<body>
    <!-- 颜色 -->
    <hr color="green">
    <hr color="yellow">
    <hr color="red">

    <!-- 宽度-->
    <hr color="green" width="300">
    <hr color="green" width="600">

    <!-- 位置 -->
    <hr color="blue" width="600" align="left">
    <hr color="red" width="600" align="right">

    <hr>
    <hr noshade>
</body>
</html>